A Pelagic Fish Survey in the EEZ of the Republic of Djibouti













Table of Contents


March 1981

Sigmund Myklevoll

Reports on Surveys with the R/V “Dr Fridtjof Nansen”

Institute of Marine Research
Bergen, May 1982

“Dr Fridtjof Nansen”

The fishery research vessel “Dr Fridtjof Nansen” belongs to the Norwegian Agency for International Development (NORAD). It was designed and built for scientific and exploratory investigations of fishery resources of developing countries, under a joint plan with the Fisheries Department of FAO based on a funding of operation to be shared by FAO and Norway.

This electronic document has been scanned using optical character recognition (OCR) software and careful manual recorrection. Even if the quality of digitalisation is high, the FAO declines all responsibility for any discrepancies that may exist between the present document and its original printed version.


Table of Contents


1. INTRODUCTION

2. EQUIPMENT AND METHODS

2.1 Vessel and equipment
2.2 Operation of the acoustic instruments
2.3 Sampling and processing of acoustic data
2.4 Sampling and processing of biological data

3. RESULTS

3.1 Cruise narrative
3.2 Hydrography
3.3 Bottom conditions
3.4 Pelagic fish
3.5 Demersal fish
3.6 Shrimp
3.7 Mesopelagic fish, plankton, swimming crab, cephalopods

4. SUMMARY AND CONCLUSIONS

5. REFERENCES

FIGURES

TABLES

ANNEX Drawings of the trawls used during the cruise